Portion of a lattice



FIG. 1 is a perspective view of a portion of a lattice showing our new design;

FIG. 2 is a front view of a portion of a lattice; and,

FIG. 3 is a rear view of a portion of a lattice.

The details shown in broken lines form no part of the design. 

CLAIM The ornamental design for a portion of a lattice, as shown and described. 